Few of my thoughts after reading the article about tech migration from Both Sides of the Table.
Conglomeration of tech companies/start-ups in urban centers are attracting young creatives. Typically most will get married, have kids, want a little more space, backyards, etc. If they work for the same companies, will they tend to live in the same communities as they did when they were single or a DINK (dual income, no kids) couple? How will the needs affected by their aging contribute to change in infrastructure, policy change, legislation, public transportation, etc. Will more start-ups, single man firms, or internet commuting take place as they may move away from these opportunities or will they ditch most sustainable practices from the past and take up a car for the commute to work?
More thoughts could go towards this trend, but this is something to think about. Try and predict the next move.